September weather forecast
Lake Clarke Shores, FL

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Weather in September

September, the first month of the autumn in Lake Clarke Shores, is also a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 85.3°F (29.6°C).

Temperature

September's average high-temperature stands at a warm 85.3°F (29.6°C), showing little deviation from August's 87.3°F (30.7°C). Lake Clarke Shores records a consistent average nighttime temperature of 79.3°F (26.3°C) in September, slightly lower than the daytime high.

Heat index

The average heat index in September is computed to be a sweltering 95°F (35°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Lake Clarke Shores, during September, the rain falls for 25.9 days and regularly aggregates up to 8.31" (211mm) of precipitation. Throughout the year, there are 238.4 rainfall days, and 58.82" (1494mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Lake Clarke Shores is 12h and 18min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:39 pm. On the last day of September, in Lake Clarke Shores, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

Sunshine

In Lake Clarke Shores, Florida, the average sunshine in September is 9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

The high-temperature, in September, in Lake Clarke Shores, records 85.3°F (29.6°C), while the low-temperature is 79.3°F (26.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What is the average humidity in September?

In Lake Clarke Shores, the average relative humidity in September is 75%.

How much does it rain in September?

In September, the rain falls for 25.9 days. Throughout September, 8.31" (211mm) of precipitation is accumulated.

How many hours of daylight does Lake Clarke Shores have in September?

The average day length in September is 12h and 18min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 7:39 pm. On the last day of the month, in Lake Clarke Shores, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

When is the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index reading in September?

In Lake Clarke Shores, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lake Clarke Shores, FL

Average temperature in September - Lake Clarke Shores, FL
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is January (72.1°F).

  • Average low temperature in September: 79.3°F

The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).

Average pressure in September
Lake Clarke Shores, FL

Average pressure in September - Lake Clarke Shores, FL
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in September
Lake Clarke Shores, FL

Average wind speed in September - Lake Clarke Shores, FL
  • Average wind speed in September: 8.1mph

The windiest months (with the highest average wind speed) are January and March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Lake Clarke Shores, FL

Average humidity in September - Lake Clarke Shores, FL
  • Average humidity in September: 75%

The months with the highest relative humidity are June and December (76%).
The month with the lowest relative humidity is March (70%).

Average rainfall in September
Lake Clarke Shores, FL

Average rainfall in September - Lake Clarke Shores, FL
  • Average rainfall in September: 8.31"

The wettest month (with the highest rainfall) is August (10.04").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in September
Lake Clarke Shores, FL

Average rainfall days in September - Lake Clarke Shores, FL
  • Average rainfall days in September: 25.9 days

The month with the highest number of rainy days is August (27.5 days).
The month with the least rainy days is February (12.8 days).

Average daylight in September /
Average sunshine in September
Lake Clarke Shores, FL

Average daylight in September / Average sunshine in September - Lake Clarke Shores, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in September
Lake Clarke Shores, FL

Average sunshine days in September - Lake Clarke Shores, FL
  • Average sunshine days in September: 2.9 days

The months with the most sunshine days are January and March (13.3 days).
The month with the least sunshine days is July (2.1 days).

Average UV index in September
Lake Clarke Shores, FL

Average UV index in September - Lake Clarke Shores, FL
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).

Average cloud cover in September
Lake Clarke Shores, FL

Average cloud cover in September - Lake Clarke Shores, FL
  • Average cloud cover in September: 30

The months with the most cloud cover are November and December (Cloud cover 35).
The months with the least cloud cover are April, May and July (Cloud cover 28).

Average visibility in September
Lake Clarke Shores, FL

Average visibility in September - Lake Clarke Shores, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Lake Clarke Shores, Florida, USA

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